Barack Obama's presidency has been an inspiration to many Americans—especially nutjobs. Ever since the first-black-president-to-be appeared on the national political stage, a cottage industry of conservative conspiracy theorists has churned out bizarro, paranoid, and just plain racist effluvia—some of which has trickled into the political mainstream. Below, we've charted some of the Obama-baiters best (i.e., worst) work. (Scroll down for more detailed descriptions of the conspiracy theories in the diagram.)

Obama ordered soldiers to swear allegiance to him: In April 2009, a clearly satirical report detailing how secretary of defense Robert Gates was growing "extremely frustrated" with the White House's plans to scrub the Constitution from the military oath of loyalty made the rounds on the right-wing blogosphere.

Obama secretly gave away American islands to Russia: Texas House candidate Wes Riddle endorsed this theory and noted the relinquishment as grounds for impeachment. However, the seven Arctic islands were actually given away in 1991 by President George H.W. Bush.